Compare Flomax vs. Rapaflo

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Flomax
(Tamsulosin)

Rapaflo
(Silodosin)

Makes it easier to urinate. Flomax (Tamsulosin) is a first-choice treatment for enlarged prostate, and it's available as a generic. However, it can cause changes in your sex drive and can take a while to kick in.Coming soon.
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Reviews & ratings
Button Group. All currently active
Button Group. All currently active
4.746666666666667Flomax
Reviews for Flomax (Tamsulosin)
63%
of people say Flomax (Tamsulosin) is worth it
44%
say it works well
15%
say it's a big hassle

Not enough reviews for this drug. Help someone out, leave a review!

Side effects
FlomaxRapaflo
  • Inflammation inside the nose 10%
  • Dizziness 7%
  • Cough increased 3%
  • Infection 3%
  • Muscle weakness 3%
  • Back pain 2%
  • Sinus inflammation 2%
  • Drowsiness 2%
  • Nausea 1%
  • Tooth disorder 1%
More Flomax side effects »

We haven’t found good data for Rapaflo side effects.

FDA side effect reports for Rapaflo »
How it works
FlomaxRapaflo
Flomax (Tamsulosin) is an alpha-1 blocker. It specifically targets and relaxes muscles in your prostate, which makes it easier to urinate.Coming soon.
Type of medication
FlomaxRapaflo
Alpha blockerPrescription only
Coming soon.
Available as
FlomaxRapaflo
  • Pill
  • Pill
Used for (click to learn more)
FlomaxRapaflo
  • Benign prostatic hyperplasia
Risk factors for serious side effects
FlomaxRapaflo
  • Taking medications for high blood pressure
    • Cataract or glaucoma surgery
    • Alcohol use
    • Heavy exercise
    • Hot weather
      Detailed Flomax (Tamsulosin) risks & warnings »
      Coming soon.
      Pregnancy category
      FlomaxRapaflo
      BFDA pregnancy category (Probably safe)

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      See the FDA package insert
      BFDA pregnancy category (Probably safe)

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      See the FDA package insert
      Alcohol
      • People on Flomax (Tamsulosin) can be more likely to have heat stroke. Drink plenty of fluids if you're going to be in hot weather, especially if you're going to be exercising or drinking alcohol.
      No specific alcohol-related info.
      Food
      • Take this 30 minutes after the same meal every day.
      No specific food-related info.
      Kidneys and liver
      No specific kidneys and liver-related info.No specific kidneys and liver-related info.
      Sex
      • Can reduce sex drive.
      • Can cause changes in sex drive.
      • People on Flomax (Tamsulosin) can experience changes in their sex drive. Talk to your doctor if you find this bothers you.
      No specific sex-related info.
      Sleep
      No specific sleep-related info.No specific sleep-related info.
      Weight
      No specific weight-related info.No specific weight-related info.
      Upsides and benefits
      FlomaxRapaflo
      • First-choice medication for relieving the symptoms of an enlarged prostate.
      • Helps make urinating easier.
      • Available as a generic medication.
      • Also available in a combination form with another medication to treat more severe symptoms of an enlarged prostate.
      • Since it works only on the muscles around the prostate, it has fewer blood pressure and heart-related side effects than other medicines in the same class.
      Coming soon.
      Downsides and risks
      FlomaxRapaflo
      • Has to be taken the same time every day.
      • It can take up to one month to see the full effects of the medication.
      • Can reduce sex drive.
      • Flomax (Tamsulosin) can't be stopped suddenly, so you'll need to talk to your doctor about how to stop taking it safely.
      • It doesn't shrink the size of the prostate.
      Coming soon.
      Tips from our pharmacists for people taking the medication
      FlomaxRapaflo
      • Take this 30 minutes after the same meal every day.
      • Can cause dizziness, muscle pain, headache and stuffy/runny nose.
      • Can cause changes in sex drive.
      • Don't stop taking this medication suddenly without talking to your doctor.
      Coming soon.
      Learn more
      More about FlomaxSide effectsReviews & ratingsAlternativesFDA package insert
      More about RapafloSide effectsReviews & ratingsFDA package insert